[1] Marguerite Louise Adelaide de Laveleye was born in Gheluvelt, near Ypres, Belgium, June 21, 1859.
[2] There were two siblings, a brother, Baron Édouard de Laveleye, and a sister, Marie-Rose-Julie.
[1] Early in the 20th century, at Pontareuse, Switzerland, Laveleve studied the potential establishment of an institution for the treatment of alcoholics.
The project proved successful, and in 1907, a committee to carry on the work was formed at Liege.
[4] Later, she made a tour of the world, lecturing on temperance in India, Burma, Japan, Canada, United States, England, France, Germany, Italy, and Belgium.